Home / 19,239,254.80-26,550,601.40-10,979,152.63

Finding the Fourth Proportional to 19,239,254.80, 26,550,601.40 and 10,979,152.63

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Solution

The fourth proportional to 19,239,254.80, 26,550,601.40 and 10,979,152.63 is: 15,151,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239,254.80 : 26,550,601.40 = 10,979,152.63 : x
  2. Step 2: Convert to fraction form
    19,239,254.80/26,550,601.40 = 10,979,152.63/x
  3. Step 3: Cross multiply
    19,239,254.80x = 26,550,601.40 × 10,979,152.63
  4. Step 4: Simplify right side
    19,239,254.80x = 291,503,105,188,891.69
  5. Step 5: Solve for x
    x = 291,503,105,188,891.69/19,239,254.80
  6. Step 6: Final answer
    x = 15,151,475.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.